Home / 17,457.78-26,187.24-6,929.76

Finding the Fourth Proportional to 17,457.78, 26,187.24 and 6,929.76

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Solution

The fourth proportional to 17,457.78, 26,187.24 and 6,929.76 is: 10,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,457.78 : 26,187.24 = 6,929.76 : x
  2. Step 2: Convert to fraction form
    17,457.78/26,187.24 = 6,929.76/x
  3. Step 3: Cross multiply
    17,457.78x = 26,187.24 × 6,929.76
  4. Step 4: Simplify right side
    17,457.78x = 181,471,288.26
  5. Step 5: Solve for x
    x = 181,471,288.26/17,457.78
  6. Step 6: Final answer
    x = 10,394.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.